<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-08-05T15:43:05Z</responseDate><request verb="GetRecord" identifier="oai:repisalud.isciii.es:20.500.12105/6589" metadataPrefix="marc">https://repisalud.isciii.es/rest/oai/request</request><GetRecord><record><header><identifier>oai:repisalud.isciii.es:20.500.12105/6589</identifier><datestamp>2025-05-21T13:24:12Z</datestamp><setSpec>com_20.500.12105_15322</setSpec><setSpec>com_20.500.12105_2051</setSpec><setSpec>com_20.500.12105_2052</setSpec><setSpec>col_20.500.12105_16938</setSpec><setSpec>col_20.500.12105_19619</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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      <subfield code="a">García-Olmos, Luis</subfield>
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      <subfield code="a">Hernandez-Salvador, Carlos</subfield>
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      <subfield code="a">Alberquilla, Angel</subfield>
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      <subfield code="a">Lora, David</subfield>
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      <subfield code="a">Carmona, Montserrat</subfield>
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      <subfield code="a">Garcia-Sagredo, Pilar</subfield>
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      <subfield code="a">Pascual-Carrasco, Mario</subfield>
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      <subfield code="a">Muñoz Carrero, Adolfo</subfield>
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      <subfield code="a">Monteagudo, Jose Luis</subfield>
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      <subfield code="a">Garcia Lopez, Fernando Jose</subfield>
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      <subfield code="a">Introduction: Healthcare management is oriented toward single diseases, yet multimorbidity is nevertheless the rule and there is a tendency for certain diseases to occur in clusters. This study sought to identify comorbidity patterns in patients with chronic diseases, by reference to number of comorbidities, age and sex, in a population receiving medical care from 129 general practitioners in Spain, in 2007. Methods: A cross-sectional study was conducted in a health-area setting of the Madrid Autonomous Region (Comunidad Autónoma), covering a population of 198,670 individuals aged over 14 years. Multiple correspondences were analyzed to identify the clustering patterns of the conditions targeted. Results: Forty-two percent (95% confidence interval [CI]: 41.8-42.2) of the registered population had at least one chronic condition. In all, 24.5% (95% CI: 24.3-24.6) of the population presented with multimorbidity. In the correspondence analysis, 98.3% of the total information was accounted for by three dimensions. The following four, age- and sex-related comorbidity patterns were identified: pattern B, showing a high comorbidity rate; pattern C, showing a low comorbidity rate; and two patterns, A and D, showing intermediate comorbidity rates. Conclusions: Four comorbidity patterns could be identified which grouped diseases as follows: one showing diseases with a high comorbidity burden; one showing diseases with a low comorbidity burden; and two showing diseases with an intermediate comorbidity burden.</subfield>
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      <subfield code="a">PLoS One. 2012;7(2):e32141.</subfield>
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      <subfield code="a">10.1371/journal.pone.0032141</subfield>
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      <subfield code="a">http://hdl.handle.net/20.500.12105/6589</subfield>
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      <subfield code="a">Comorbidity patterns in patients with chronic diseases in general practice</subfield>
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